C/U-plane splitting architectures and Inter-RAT · PDF fileC/U-plane splitting architectures...
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C/U-plane splitting architectures and Inter-RAT management for Radio Reconfigurable Systems
Projet MiWEBAMIllimetre‐Wave Evolution for Backhaul and Access
mid‐2013‐mid 2016
Isabelle SIAUD, Anne-Marie ULMER-MOLL {isabelle.siaud, annemarie.ulmerrmoll}@orange.fr
Orange Labs Rennes, FRANCE
Hailan PENG, Shinobu NANBA, Kazuya MORIWAKI{ha-peng, nanba, ka-moriwaki}@kddilabs.jp
KDDI R&D Laboratories, Inc.Saitama, JAPAN
Presenter : Isabelle SIAUD
Objectives and technical challenges of the paper• Power efficient Multi‐RAT management architectures for 5G heterogeneous networks and radio reconfigurable systems• Fast Multi‐Techno (MT) Link Adaptation techniques using innovative Multi‐RAT CQI metrics and integration in innovative C/U‐plane splitting architectures are candidates for 5G
• mm‐wave and Wi‐Fi overlay cellular networks are addressed in the ICT‐FP7 Europe/Japan project • A state of art on C/U plane splitting in 3GPP and state of Art of multi‐RAT management through collaborative projects• Innovative solutions for C/U plane splitting integrating novel Multiple Interface Management using original power efficient link adaptation metrics to perform WLAN‐LTE aggregation for Hot Spots
MiWEBA scenarios and advanced solutions
2.1 Freq. [GHz]2.4 3.5 60
LTE10M
WiFi20M
LTE‐A100M WiGig
2.16G
A multi‐layer abstraction layer for Multiple Interface Management Multi‐RAT C/U plane splitting
C/U-plane splitting architectures andInter-RAT management for Radio Reconfigurable SystemsFig. 2: Control plane architecture of DC
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M A W G N F S M F S
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Objectives and technical challenges of the paper• Power efficient Multi‐RAT management architectures for 5G heterogeneous networks and radio reconfigurable systems• Fast Multi‐Techno (MT) Link Adaptation techniques using innovative Multi‐RAT CQI metrics and integration in innovative C/U‐plane splitting architectures are candidates for 5G
• mm‐wave and Wi‐Fi overlay cellular networks are addressed in the ICT‐FP7 Europe/Japan project • A state of art on C/U plane splitting in 3GPP and state of Art of multi‐RAT management through collaborative projects
C/U plane splitting in 3GPP
CN-based 3GPP/WiFi interworking architecture
• Frequent handovers between 3GPP and WLAN are necessary in CN‐based interworking
• C/U splitting mechanism can reduce signaling overhead and enhance mobility robustness
U plane architecture of DC
C/U-plane splitting architectures andInter-RAT management for Radio Reconfigurable SystemsFig. 2: Control plane architecture of DC
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M A W G N M F S F S
P L M
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S S P L d f c P L d f c
S S A R P d f c A R P d f c
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M A W G N M F S F SP L M
M A W G N F S M F S
M C M P L M
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S S A R P d f c A R P d f c
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M A W G N F S M F S
M C M P L M
S S P L d f c P L d f c
S S A R P d f c A R P d f c
Spectrum efficiency link adaptation metric
MCS Selection using the highest constellation order and max throughput
E‐Node BPilot signals
UE side
RSSI measurement 3GPP TS 36.211Estimation RSRP, RSRQ, RSSI 3GPP TS 36214
CQI conversion to 4 bit CQI. CQISCH to transmit CQI index 3GPP TS 36.213
E‐Node Bdecision using CQIfeedback index
Objectives and technical challenges of the paper• Innovative solutions for C/U plane splitting integrating novel Multiple Interface Management using original • A power efficient link adaptation metrics, the Green Link Budget metric, to perform WLAN‐LTE aggregation for Hot Spots
C/U-plane splitting architectures andInter-RAT management for Radio Reconfigurable SystemsFig. 2: Control lane architecture of DC
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M A W G N M F S F S
P L M
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M C M P L M
S S P L d f c P L d f c
S S A R P d f c A R P d f c
( , ) ( , )
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M A W G N M F S F SP L M
M A W G N F S M F S
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S S A R P d f c A R P d f c
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PE Multi‐RAT Link Adaptation metric & performance
The Green Link Budget (GLB) metric {} [1] : normalized link budget parameters performed on transmission modes delivering similar throughput range
Transmission mode selection : ‐metric minimization + ‐metric adjustment for dynamic power control
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0 2 4 6 8 10
dBm
distance ARP FPL(d, fc) ARP MFS(d,fc),LOS
MP, TM1, LOS AWGN, TM 1
D Mbps, QoS
MCM,1
PLM,1
=MCM,1+PLM,1
‐metric = ARPMFS(d,fc)‐SM‐metric =MCM+PLM
SM
ARPMFS(d,fc)
SAWGN
ARPFS(d,fc)
( , ) ( , )M AWGN FS MFSMCM PLM
S S ARP d fc ARP d fc
( , )( , )
MFS M
R AWGN FS
ARP d fc SEIRP G S PL d fc
( , )
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EIRP G S PL d fcEIRP G S PL d fc
80 Mbps
Objectives and technical challenges of the paper• Innovative solutions for C/U plane splitting integrating novel Multiple Interface Management using original • A power efficient link adaptation metrics, the Green Link Budget metric, to perform WLAN‐LTE aggregation for Hot Spots
C/U-plane splitting architectures andInter-RAT management for Radio Reconfigurable SystemsFig. 2: Control lane architecture of DC
( , ) ( , )
( , ) ( , )
M A W G N M F S F S
P L M
M A W G N F S M F S
M C M P L M
S S P L d f c P L d f c
S S A R P d f c A R P d f c
( , ) ( , )
( , ) ( , )
M A W G N M F S F SP L M
M A W G N F S M F S
M C M P L M
S S P L d f c P L d f c
S S A R P d f c A R P d f c
( , ) ( , )
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M A W G N M F S F SP L M
M A W G N F S M F S
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S S P L d f c P L d f c
S S A R P d f c A R P d f c
Joint Power Efficient multi-RAT C/U plane splitting and inter-RAT management architectures
Abstraction layer‐3
• RAT termination (RT) with multiple interface management (MIM) function is devised for LTE/Multi‐RAT aggregation• GLB metric is estimated at UEs and feedback to MIM of RT for metric integration
GLB metricfeedback
C-Plane architecture for LTE/Multi-RAT aggregation with MIM
60 GHz video streaming 4.16 Gbps,
LOS/OLOS transitions